<?PHP
namespace SDF\Lib\Account;

//use MongoDB\BSON\UTCDateTime;
//use MongoDB\Driver\WriteConcern;
use SDF\Db\MongoDb;

/**
 * Class stock 库存管理
 * @package SDF\Lib\Account
 */
class stock extends MongoDb {
    /**
     * 授权构造
     * special_auth constructor.
     */
    public function __construct(){
        parent::__construct('stock', 'goods');
    }
}